FAQ

Tianzheng building is running on the platform of AUTO-CAD, there is no separate Tianyi construction software, if you do not install AUTO-CAD, all the software can not run, this situation and the Cell component is the same, the day is the software is A special design for the professional development of the building software, it is also specific Tianzheng construction, Tianzheng structure, Tianzheng water supply, Tianzheng HVAC, Tianzheng Electric, it makes the software more refined, more professional, very popular with the construction industry Thes

Handrail height should not be less than 0.90m. Staircase horizontal section railings greater than 0.50m, the height of its armrest should not be less than 1.05m (six and six below) seven and seven or more should not be less than 1.10m. Public construction is not less than 1.10m. 】 Staircase railings between the vertical bar spacing should not be greater than 0.11m. When the net width of the stairwell is greater than O.11m, measures to prevent children from climbing must be taken.s

Homes, nursery, kindergarten, primary and secondary schools and children's special activities of the railing must be used to prevent children climbing the structure, when the use of vertical bar to do the railing, the rod clearance should not be greater than 0.11m;s

Stainless steel. These two materials are usually divided into 202 and 304 two, the price difference between the two half, stainless steel style single, color monotonous, so the model is not easy to distinguish, in general because 202 easy to rust, so the coastal city usually Use 304, inland can use 202.s

Staircase handrails generally have a clear request, the staircase handrail height of the national standard, according to the People's Republic of China national standard residential design specifications GB 50096 - 1999 (2003 edition) provides:s